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Finding the Fourth Proportional to 255,117.94, 382,544.30 and 75,179.76

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Solution

The fourth proportional to 255,117.94, 382,544.30 and 75,179.76 is: 112,730.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,117.94 : 382,544.30 = 75,179.76 : x
  2. Step 2: Convert to fraction form
    255,117.94/382,544.30 = 75,179.76/x
  3. Step 3: Cross multiply
    255,117.94x = 382,544.30 × 75,179.76
  4. Step 4: Simplify right side
    255,117.94x = 28,759,588,663.37
  5. Step 5: Solve for x
    x = 28,759,588,663.37/255,117.94
  6. Step 6: Final answer
    x = 112,730.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.